Day One Biopharmaceuticals Inc Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 02/12/2026 | 8.84 M | $82.37 M | -1.82% | 8.55% |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 02/13/2026 | 6.41 M | $59.77 M | -0.28% | 6.20% |
| VANGUARD GROUP INC | 01/29/2026 | 6.28 M | $58.55 M | 1.63% | 6.08% |
| FMR LLC | 02/17/2026 | 5.72 M | $53.28 M | -43.38% | 5.53% |
| VESTAL POINT CAPITAL, LP | 02/17/2026 | 5.20 M | $48.46 M | 94.39% | 5.03% |
| STATE STREET CORP | 02/13/2026 | 4.29 M | $39.98 M | 32.38% | 4.15% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 02/17/2026 | 3.72 M | $34.70 M | -20.88% | 3.60% |
| PICTET ASSET MANAGEMENT HOLDING SA | 01/29/2026 | 2.99 M | $27.87 M | 26.03% | 2.89% |
| AIGH CAPITAL MANAGEMENT LLC | 02/02/2026 | 1.99 M | $18.57 M | 31.01% | 1.93% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 1.88 M | $17.50 M | 6.62% | 1.82% |
| HUDSON BAY CAPITAL MANAGEMENT LP | 02/13/2026 | 1.70 M | $15.84 M | 28.79% | 1.64% |
| MORGAN STANLEY | 02/13/2026 | 1.55 M | $14.45 M | 18.88% | 1.50% |
| GOLDMAN SACHS GROUP INC | 03/25/2026 | 1.51 M | $14.04 M | 9.83% | 1.46% |
| BALYASNY ASSET MANAGEMENT L.P. | 02/17/2026 | 1.49 M | $13.89 M | 7.65% | 1.44% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 02/17/2026 | 1.49 M | $13.85 M | 27.31% | 1.44% |
| CITADEL ADVISORS LLC | 02/17/2026 | 1.36 M | $12.67 M | 105.00% | 1.32% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 1.35 M | $12.58 M | 94.70% | 1.31% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 1.31 M | $12.16 M | 44.13% | 1.26% |
| JEFFERIES FINANCIAL GROUP INC. | 02/09/2026 | 1.12 M | $10.45 M | 100.00% | 1.08% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 1.08 M | $10.10 M | -9.06% | 1.05% |
| DIMENSIONAL FUND ADVISORS LP | 02/12/2026 | 1.04 M | $9.67 M | -15.20% | 1.00% |
| DAFNA CAPITAL MANAGEMENT LLC | 02/17/2026 | 999.16 K | $9.31 M | 0.00% | 0.97% |
| JANE STREET GROUP, LLC | 02/12/2026 | 845.15 K | $7.88 M | 202.55% | 0.82% |
| MAK CAPITAL ONE LLC | 02/17/2026 | 826.21 K | $7.70 M | -42.96% | 0.80% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 737.66 K | $6.87 M | 2,456.53% | 0.71% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 02/13/2026 | 729.28 K | $6.80 M | 100.00% | 0.71% |
| JUMP FINANCIAL, LLC | 02/17/2026 | 667.12 K | $6.22 M | 144.77% | 0.65% |
| PARKMAN HEALTHCARE PARTNERS LLC | 02/17/2026 | 645.54 K | $6.02 M | 113.94% | 0.62% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 633.69 K | $5.91 M | 3.87% | 0.61% |
| NORTHERN TRUST CORP | 02/17/2026 | 617.04 K | $5.75 M | -1.99% | 0.60% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 02/13/2026 | 569.62 K | $5.23 M | 110.80% | 0.55% |
| PALE FIRE CAPITAL SE | 02/13/2026 | 544.06 K | $5.07 M | 79.88% | 0.53% |
| KENNEDY CAPITAL MANAGEMENT LLC | 02/13/2026 | 542.85 K | $5.06 M | 0.46% | 0.53% |
| ALGERT GLOBAL LLC | 02/17/2026 | 535.29 K | $4.99 M | -59.36% | 0.52% |
| NUVEEN, LLC | 02/12/2026 | 522.46 K | $4.87 M | 247.44% | 0.51% |
| BNP PARIBAS ARBITRAGE, SNC | 02/10/2026 | 453.31 K | $4.22 M | 68.96% | 0.44% |
| HRT FINANCIAL LP | 02/12/2026 | 450.94 K | $4.20 M | 40.31% | 0.44% |
| AQR CAPITAL MANAGEMENT LLC | 02/17/2026 | 431.76 K | $4.02 M | 298.02% | 0.42% |
| SG AMERICAS SECURITIES, LLC | 01/09/2026 | 350.09 K | $3.26 M | 1,228.87% | 0.34% |
| HENNION & WALSH ASSET MANAGEMENT, INC. | 01/14/2026 | 313.46 K | $2.92 M | 229.70% | 0.30% |
| SCHONFELD STRATEGIC ADVISORS LLC | 02/17/2026 | 300.10 K | $2.80 M | 1,186.89% | 0.29% |
| LOGOS GLOBAL MANAGEMENT LP | 02/17/2026 | 300.00 K | $2.80 M | 100.00% | 0.29% |
| BARCLAYS PLC | 02/13/2026 | 292.33 K | $2.72 M | -15.80% | 0.28% |
| Y-INTERCEPT (HONG KONG) LTD | 02/13/2026 | 282.03 K | $2.63 M | 100.00% | 0.27% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 02/13/2026 | 255.02 K | $2.38 M | 100.00% | 0.25% |
| GROUP ONE TRADING, L.P. | 02/12/2026 | 253.14 K | $2.36 M | 100.00% | 0.24% |
| CAPTION MANAGEMENT, LLC | 02/17/2026 | 225.00 K | $2.10 M | 100.00% | 0.22% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 211.55 K | $1.97 M | -30.91% | 0.20% |
| STONEPINE CAPITAL MANAGEMENT, LLC | 02/13/2026 | 200.00 K | $1.86 M | -69.11% | 0.19% |
| MAN GROUP PLC | 02/17/2026 | 197.10 K | $1.84 M | 114.66% | 0.19% |
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Day One Biopharmaceuticals Inc institutional Ownership - FAQ's
During the previous two years, 253 institutional investors and hedge funds held shares of Day One Biopharmaceuticals Inc. The most heavily invested institutionals were:
UBS Group AG: 2.31 M
Nuveen, LLC: 1.82 M
ALPINE ASSOCIATES MANAGEMENT INC.: 925,000
DIMENSIONAL FUND ADVISORS LP: 819,371
VANGUARD FIDUCIARY TRUST CO: 478,839
JANE STREET GROUP, LLC: 475,436
78.74% of Day One Biopharmaceuticals Inc stock is owned by institutional investors.
Institutional investors have bought a total of 85.62 M shares in the last 24 months. This purchase volume represents approximately $1.83 B in transactions.